Title:
Magnetic sensor device
Document Type and Number:
Japanese Patent JP6299069
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a magnetic sensor device in which a magnetic field generated in a magnetic field coil can be efficiently applied to a magnetoresistance effect element.SOLUTION: In the magnetic sensor device, a magnetoresistance effect element, a pair of magnetic bodies which are arranged so that the magnetoresistance effect element is interposed between them, and a magnetic field coil which forms a magnetic field for the magnetoresistance effect element are formed on a substrate. The magnetic coil is configured to include conductor patterns arranged on a lower magnetic field coil layer and an upper magnetic field coil which are laminated with the magnetic bodies therebetween, and the upper magnetic field coil layer is close to a formation surface of the lower magnetic field coil layer, in an arrangement position of the magnetoresistance effect element.
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Inventors:
Kawakami Makoto
Yasunori Takagi
Yasunori Takagi
Application Number:
JP2013048535A
Publication Date:
March 28, 2018
Filing Date:
March 11, 2013
Export Citation:
Assignee:
Hitachi Metals Co., Ltd.
International Classes:
G01R33/09
Domestic Patent References:
| JP8179023A | ||||
| JP2002310659A | ||||
| JP5990963B2 |
Foreign References:
| WO2010143666A1 | ||||
| US20030151406 |
Attorney, Agent or Firm:
Nobutoshi Takei
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